Paper-feeding machine.



0'. 0. L. GARDELL.

.PAPBR FEEDING MACHINE. APPLICATION FILED AUG; 30, 1911.

PatentedMar. 25, 19.13.

4 SHEETS-SHEET 2. l

0. 0.1L. GARDELL. PAPER-FEEDING MACHINE.

1 6 AP-IIOATIOII FILED AUG; 30, 1911. Patented Mar.

4 SHEETSSHBET 3.

WWW/ h 0. 0. L. CARDELL. PAPER FEEDING MACHINE.

' 4 APPLICATION EILED AUG. 30, 1911. 1,057, 1 1 6. Patented Mar. 25,1913.

4 SHEETS-SHEET 4.

WERE 4 UNITED STATES PATENT OFFICE.-

CHARLES O. L. GARDELL, F PEARL RIVER, NEW YORK,'ASSIGNOR TO DEXTERFOLDER COMPANY, OF EEARL RIVER, NEW YORK, A CORPORATION OF NEW YORK.

PAPEB.-FEEDI1\TG MACHINE.

To all whom it may concern:

. Be it known that I, CHARLES O. L. Gla- DELL, a citizen of the UnitedStates, and a resident of Pearl River, Rockland county, State of NewYork, have invented certain new and useful Improvements in Paper-.Feeding Machines, of wh1oh the following is a specification.

, The present invention relates to improve ments in the typeof.paperfeeding machines .knowir as-oontinuous feeders, in which inclined supplyand feed tables are supported one above the other-with a curved throator passageway communicating between them at their rear ends. With thistype of feeder,

a continuous pile of sheets, supplied from time to time upon the supply.table, is fed by suitable mechanism through said curved throat to thefeed table and presented in combed-out condition upon the feed table forthe action of any suitable sheet feeding devices which conve the sheetssingly to' the roa 1' ends of the supply and feed tables ings, andafterwardpoint so as to form the inner surface of the curvedcoinn'mnicatmg throat, and an automati (all y controlled pile clampingdevice mountcd to engage the rear surface of' the curved bank of sheetsand clamp the bank of sheets against the feed drum or pulleys and movewith the drum or pulleys-while thebank is "clamped against them topositively feed the bank of sheets through said throat. In order thatthe invention may be fully understood, I will first describe the samewith reference to the accompanying drawout the novelty more particularlyin the arinexed claims.

-In said drawings Figure 1 is a partial side elevation of a paperfeeding machine having my improvements applied thereto, Fig. 2 18 a planView of the same with the parts broken away, Fig. is an enlargeddetailvertical longitudinal sectional view of the main parts of the improvedfeeding mechanism, Fig. 4 is a detail sectional plan Specification ofLetters IEatent. Application filed August so, 1911'. Serial No.646,901.-

Patented Mar. 25', 1913.

view of part of the same,'Fig. 5 is a detail plan view of a part of oneof the main feedlng levers, Fig. 6 is a view similar to Fig. 3

showing the parts in shifte'd position, and

Fig. 7 is a detail side elevation of one of the U-shaped rocking leverswhich connect the main operating levers with the rocking frame.

In the accompanying drawings, 1 is a supply table mounted in inclinedposition upon suit-able side frames indicated at 2, and 3 is a feedtable mounted directly beneath the supply table between the side frames2. The supply table 1 is inclined downwardly toward its rear end, whilethe feed table 3 is inclined downwardly toward 1ts frontend.

5 1s a transverse shaft journaledat its "opposite ends in the sideframes 2 and supporting within the side'frames a cylindrical feed druino. The drum 6 may beiin tlie.

form of a plurality of feed wheelsgorjpullcys, although the drumformationis' 'pre The feed drum 6 is mounted bet'erred. tween thesupply. table 1' and feed table 3 at their lower ends so asto form theinner I curved surface of the usual throat which connnunicates betweensaid tables, the uppersurface of (11111116 being practically a.continuationof the surface of table 1, while the lowed-surface of drum 6is supported sufliciently above thesurface of the feed table 3 'toallow. for the passage of a bank of sheets from the curved throat to thefeed table 1 -Passing longitudinallyover the inclined supply table/1 arethey heavyendless feed belts 10, which pass around the supportingpulley'lland driving pulley 12. The supporting pulley 11 is mounted upona shaft 13 which is journaledin brackets 14 secured beneath thesupply-table 1. The driving pulley 12 is mounted upon a shaft 15journaled in brackets 16 also secured beneath the table 1. A tension andguiding pulley j 17 is mounted upon a transverse shaft 18 journaled inbrackets 19 beneath the table 1. Keyed to the shaft 15 is a gear wheel20 which meshes with an intermediate gear 21 j ournaled upon a bracketarm22 and driven by a large gear 23 secured to one end of the feeding"drum 6. Passing longitudinally over a portion of the lower feed table 3is a series of heavy feeding belts 25 which are mgunted upon thesupporting and driving 'naled in brackets secured beneath the table Thebelts 25 pass over the tension and guiding pulley 30 journaled in andsupported by brackets 31. The shaft 29 has keyed to it a gear wheel 35which is driven through the intern'iediate gears 36 and 87, the latterof which meshes with the large gear 23 upon the end of drum 6.

From the described mechanisnu it will be observed that the uppercarrying portion of the belts 10 and 25 will have "feeding motionimparted to them wheneverthe drum 6 is rotated. Curved guides indicatedat 40 are mounted at '40 upon the rear end of the feed table 3 andextend therefrom parallel with the surface of the-feed drum 6 to' apoint above the rear end of the supply table 1. These curved guides 40form with the feed drum 6, the curved throat which communicates betweenthe supply table 1 and feed table 3.

Journaled upon the opposite ends of the shaft 5 are the upwardlypresented rock arms 45 connected at their upper ends by a transverse bar46 which forms with said rock arms a rocking frame. One of the rock arms45 has journaled upon it at 50 a do or pawl 51 which rests in operativerelation to a large ratchet wheel 52 secured to the end of drum 6opposite to the large gear 23.

The transverse shaft 55 is mounted in, and extends between, the uprightrock arms 45 journaled upon. the shaft 55 just outside of the rock arms1-5 and along curved floatin operating levers 60 which are firmly joinedtogether by a. transverse rod or bar 61 which carries two or more curvedclamping plates 62 which are supported in operative relation to theouter surface of the curved portion of a feathered-(mt pile of sheets inits pass. ge from the supply table 1 to the feed table 3. The curvedclamps 62 are designed to. engage the curved section of the pile ofsheets adjacent'to the stationary curved guides 40 above referred to.

Each of the curved levers (S0 is formed at its upper end with aforwardly projecting 'foot 65 which. rests between the adjustable tappetscrews 66 mounted respectively in the upper and an approximatelyU-shapcd rock arm or lever 70 which is journaled at 71 upon thetransverse shaft 55 just inside of one of the upright rockarms45. Thearms 70 and 70 extend forwardly and laterally from the. journal. bearing71 so as to present tappet screwstltl in the same vertical plane as thefoot 65. An adjustable stop screw 67 is threaded through a' lug 70 ofrock arm to in position to engage the forward face of one ofthe rockarms 45 to limit the m vement. of rock arm 70 with relationton 4k arm4.5.

lower arms 70, and 70 of The described connection between lever 60 androck arm 45 through rock arm 70 is the samev at both sides of themachine.

The lower (ni of each of the floating levers (30 has piiotcd to it at 75a pitman 76 formed at its forward end with a guide loop 77 operatingover a cam-shaft 78 carrying an operating cam 79 which engages anantifriction roller 80 jo-urnalcd upon the looped end of pitman 76. Atension rod is pivoted to each floating lever 60 'at 86 and extendedforwardly from said pivot through a guide bracket. 87 secured to theunder face of the feed table 3. .An expansion spring 88 surrounds therod 85 and is confined against the bracket 87 by an adjustable collar 89secured upon the rod 85. Each of the connected floating levers 60 may beactuated'by a pitman 76 and tension rod 85 under the control of a cam79, or if preferred, the operation can be effected by a single pitmanand tension rod controlled by a single cam.

One of the pitmen 76 carries a block 90 formed with a stop notch 91presented directly beneath a controlling dogfl2 pivoted at 93 to abracket 94- secured to the under face of feed table 3. dog 92 with arock arm 96 secured to a rock shaft 97 journalcd in bracket arm 98extending upwardly from the feed table 3. The

shaft 97 projects toward the central verti-,

cal longitudinal plane of the machine above the sheets upon the feedtable 3. The inner end of rock shaft 97 carries a rock arm 96 thrustdownwardly by a spring actuated tension rod 99 and carrying in itsforward end an anti-friction roller 1 00 which is designed to operate'upon the surface of the sheets passing forwardly over the feed table 3.When the quantity of sheets upon the feed table 3, at the gaging pointof the mechanism just described. is sulliciently close to normal, theposition of the rock arm 96" will hold the dog 92 in the path of theshoulder 91 so as to prevent the feeding.

A link connects the i operation of the mechanism above dcscril'icd.

As soon as the sheets pass forwardly from beneath roller 100 to asuflicient extent, the dog 92 will be raised out of the notch 91 toallow the resuma'tion of the feeding operation.

At I have shown more or less dia grammatically one of a plurality ofsheet combing wheels which are designed to separate the sheets and feedthem forwardly singly from the feed board 3 into convenlent position towe taken by the machine which 1s to operate upon the sheets.

I -operation, it will be understood that. ,theoperalor suppliesthe-necessary sheets in conibctbout position upon the supply feed table3 to have become su'llicicnlly extable 1. sleuthing the supply of sheetsupon' sageway.

ment of the combed-out blank of sheets, the dog 92 will have releasedthe block 90 so that the cam 79 pulling forward upon the pitman 76 willfirst rock the levers upon shaft 55 to firmly clamp the curved sectionof the con'ibed-out bank of sheets between the clamps (32 and thesurface of theslrum (i. The continued pulling of pitinan 76 actingthrough levers 60 will rock theeonnected rock arms 55 rearwardly causingdogs 51, throughratchet wheel 52, to rotate the drum (3 at: the sametime that the curved clamps 62 move downwardlv so that the combed-outbank of sheets will be positively .moved through the throat leading fromthe supply table to the feed table. At the completion of the describedfeeding strol e,'the

tension rods 85 will return the parts tonormal position, the firstaction on this rearward movement being to move the clamps 62 away fromthe urved section of the bank of sheets to release the sheets fromthe ithen to move the. arms back to their normal position ready for anotherfeeding stroke.

\Vha't I claim is: 7 Y

1. In a )aper feeding machine, the combination ot a support fora bank ofsheets, with feeding mechanism acting upon the opposite surfaces of saidbank of sheets and adapted to rigidly grip and release the bank ofsheets said mechanism being movable with the entire bank for feeding thesame.

2. In a paper feeding machine, the combination of a support for a bankof sheets with feeding mechanism including members arranged tointermittently and fixedly clamp a bank of sheets upon opposite surfacesand means operative-during the clamping action of said members formoving said members together with the bank of sheets relatively to saidsupport;

3. In a paper feeding machine, the combination of the supply andfeeding'tables, a throat or passageway communicating between saidtables,and feeding mechanism movable along said throat and adapted tointermittently clamp a bank of sheets and feed the same through saidthroat or pass- 4. In a paper feeding machine, the combination of asupply table, a feeding table supported thereunder, and athroat orpassageway -communicating between said tables, with intermittentlyoperating feeding mechanism adapted to alternately clamp and release a.bank of sheets in said throat or passageway for feeding the same thereported one above the other, and a feeding drum mounted between theadiacent ends of the said tables, with oscillatory means for lever andadapted intermittently clamping a bank of sheets against said feedingdrum, and means for simultaneously movingsaid drum and clamping meansfor advancing the bank of sheets.

6. in a paper feeding machine, the combination of the supply and feedtables supported one above the other, and a feeding drum mounted betweenthe adjacent ends of the said tables, with an oscillatory clamp adaptedto grip a bank of sheets against said. feeding drum, means for operatlngsaid. clamp, and means for simultaneously moving said drum with saidclamp for advancing the bank of sheets.

7. In a paper feeding machine, the combination of the supply and feedtables supported oneabove the other, and a feeding drum mounted betweenthe adjacent, ends of the said tables, feed belts operating over thesurfaces of said tables, and means for driving said feed belts from saidfeeding drum, with means for clamping a bank of sheets against saidfeeding drum, and means for simultaneously moving said drum and clampingmeans for advancing the bank of sheets. I

8. In a paper feeding machine, the combination of the supply and feedtables arranged with a sheet conveying throat or passagewaycommunicating between their adjacent ends, a feed drum mounted betweensaid tables and constitutii'ig the inner surface of said throat orpassageway, pawl and ratchet mechanism for intermittently operating saidfeed drum, and oscillatory clamping-means adapted to clamp a bank ofsheets against said drumduring itsfeeding action.

9. In a paper feeding machine, means for intermittently clamping a bankof sheets together, said means being adapted to impart a curvature-tosaid bank of sheets, and

means for imparting an angular movement to said clamping meanscorresponding to the curvature imparted to said bank.

' 10. In a paper feeding machine, the combination of the supply and feedtables"sup-- ported one above the other, and a feeding drum mountedbetween the adjacent, ends of said tables, an oscillating lever carryinga clamp which is adapted to grip a bank, of sheets against said feedingdrum, and means for simultaneously operating said lever and drum foradvancing a bank of sheets.

11. in a paperifeeding mzltchine, the combination of a supportforsheets, a feeding drum mounted adjacent to said, support, a pi votallymounted rock arm, a lever pivoted upon said rock arm, a clamp carried bysaid to grip sheets a ainst said-feeding drum, and means forsimultaneously operating said clamp and drum for advancing sheets.

19. In a paper feeding machine. the com- .bination of a support forsheets, a feeding drum, a pivotally mounted rock-arm, a lever pivotedupon said rock arm, a clamp pivoted upon'said lever and adapted to gripsheets gether, said means being movable angularly to correspond with thecurvature of said guides. t

14:. In a paper feeding machine, the combination of a support or sheets,a rotary feeding member mounted adjacent to said -support,-a floatingpivoted lever, a clamp mounted upon said lever in position to gripsheets against said rotary feeding member, operating means connectedwith said lever and means; actuated by said lever for operating saidrotary feeding member simultaneously With the movement of said lever.

In a paper feeding machine, the combination of the supply and feedtables arranged with a sheet. conveying throatv or passagewaycommunicating between their adjacent ends, a feed drum mounted. betweensaid tables and coi'istituting the inner surface of said throat. orpassageway, pawl and ratchet mechanism for intermittently open atingsaid feed drum, clamping means adapted to clamp ttlJtllllt of sheetsagainst said drum during its feeding action. and opmating means forsinuiltaneously operatin}! said pawl and ratchet nu-chanism andclai'nping means.

16. In a paper .fcedii'ig machine, the combination of a supply and feedtable having a sheet conveying throat communicating hetween them, afeeding drum mounted between said tables at the inner side of saidthroat, arat hetwheel mounted uhon said drum, a rock arm carrying a dogwhich ongages said ratchet wheel, a. floating lever pivotally connectedwith said rock arm, a clamp carried by said floating lever, and meansfor operating said. lever.

17. In a paper feeding machine, the combination of a supply and feedtable having a sheet conveying throat connnunicating between them, a.feeding drum mounted between said tables, a ratchet wheel mounted uponsaid drum, a rock arm carrying a dog which engages said ratchet wheel, afloating lever pivotaliy connected with said rock arm, means limitingthe pivotal movement of said floating lever upon said rock arm, a clampcarried by said floating lever, and means for operating said lever.

18. In a paper feeding machine, the combination of the supply and feedtables arranged with a sheet conveying throat or passagewayconnnunicating between their adjacent ends, a feed drum mounted betweensaid tables, pawl and ratchet mechanism for intermittently operatingsaid feed drum, a rockarn'i operating said pawl and ratchet mechanism, acurved lever pivotally mounted upon said rock arm, a clamp pivotallymounted upon said lever and. presented thereby in operative relation tosaid feed drmn, and means for ope 'ating said lever.

19. In a paper feeding machine, the combination of a supply and feedtable having a throat or passageway communicating between them, afeeding drum mounted between said tables at. the inner side of saidthroat or passageway, a ratchet wheel mounted upon said drum, a rock armcarrying a dog which engages said ratchet. wheel, a floating leverpivotally connected with said rock arm, a clamp carried by said floatinglever, and means for operating said lever, and a U-shaped tappet leverpivotally mounted 'upon said rock arm and carrying screws which engagesaid rock arm and said floating lever.

20. In a paper feeding machine, the comhination of the supply andfecdtables, a

feediu drum mounted between said tables a rocking frame journaleduponthe axis of said drum, pawl and ratchet mechanism between saidrocking franie and said drum, a. shaft upon said rocking frame, a pairof floating levers pivoted upon said shaft, a rod or bar connected withsaid floating levers, clamping shoes moimte-l upon said rod or barsupported in operative relation to said feeding drum, and operatingmeans for said connected floating levers.

21. In a paper feeding machine, the comhination with curved guides forproducing a combing out of a bank of sheets, of means for intermittentlyclamping said sheets together, said means being movable angularly tocorrespond with the curvature ofsaid guides, said means comprising afeed roller, a curved clamping jaw. and means 'for simultaneouslyimpartingthesame angular movement to said roller and clamp.

CHARLES o. L. CARDELL.

